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Niagara Falls (/naɪˈæɡrə/, Cayuga: Gahnawehtaˀ or Tgahnawęhtaˀ) is the collective name for three waterfalls that straddle the international border between Canada and the United States; more specifically, between the province of Ontario and the state of New York. They form the southern end of the Niagara Gorge.
From largest to smallest,